package jdbc;

import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;

/*执行UPDATE语句
* */
public class JDBCDemo3 {
    public static void main(String[] args) {
        try (
                Connection connection =DBUtil.getConnection();

        ){
            Statement statement = connection.createStatement();
            String sql="UPDATE userinfo "+
                       "SET password='778899' "+
                       "WHERE username='范传奇'";
            int num = statement.executeUpdate(sql);
            if (num>0){
                System.out.println("修改成功");
            }else {
                System.out.println("修改失败");
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }
}
